Association between red cell distribution width and response to methotrexate in rheumatoid arthritis

Autor: M. Bellan, D. Soddu, E. Zecca, A. Croce, R. Bonometti, R. Pedrazzoli, D. Sola, C. Rigamonti, L.M. Castello, G.C. Avanzi, M. Pirisi, P.P. Sainaghi
Jazyk: English<br />Italian
Rok vydání: 2020
Předmět:
Zdroj: Reumatismo, Vol 72, Iss 1 (2020)
Druh dokumentu: article
ISSN: 0048-7449
2240-2683
DOI: 10.4081/reumatismo.2020.1243
Popis: Red cell distribution width (RDW) is an unconventional biomarker of inflammation. We aimed to explore its role as a predictor of treatment response in rheumatoid arthritis (RA). Eighty-two RA patients (55 females), median age [interquartile range] 63 years [52-69], were selected by scanning the medical records of a rheumatology clinic, to analyze the associations between baseline RDW, disease activity scores and inflammatory markers, as well as the relationship between RDW changes following methotrexate (MTX) and treatment response. The lower the median baseline RDW, the greater were the chances of a positive EULAR response at three months, 13.5% [13.0-14.4] being among those with good response, vs 14.0% [13.2-14.7] and 14.2% [13.5- 16.0] (p=0.009) among those with moderate and poor response, respectively. MTX treatment was followed by a significant RDW increase (p
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